Cheapest return flights from Bangkok to London in September from $840

AirHint found the following cheapest return flights from Bangkok (BKK) to London (LGW) in September 2026 (see full year).

Return flights

01 Sep - 08 Sep Kuwait Airways
22 Sep - 03 Oct British Airways
21 Sep - 03 Oct British Airways
09 Sep - 19 Sep British Airways direct
02 Sep - 10 Sep British Airways direct
08 Sep - 15 Sep Emirates
09 Sep - 16 Sep Emirates
24 Sep - 30 Sep Emirates
08 Sep - 19 Sep Emirates
11 Sep - 19 Sep Emirates
12 Sep - 19 Sep Emirates
19 Sep - 27 Sep Emirates
26 Sep - 02 Oct Emirates
18 Sep - 02 Oct Emirates
26 Sep - 10 Oct Qatar Airways
01 Sep - 01 Oct Emirates

Also check the deals for one-way flights from Bangkok to London in September.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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